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Baryonic effects on the detectability of annihilation radiation from dark matter subhaloes around the Milky Way
Robert J J Grand, Simon D M White
We use six, high-resolution CDM simulations of galaxy formation to study how emission from dark matter annihilation is affected by baryonic processes. These simulations produce…
A tidally induced global corrugation pattern in an external disc galaxy similar to the Milky Way
Facundo A. Gómez, Sergio Torres-Flores, Catalina Mora-Urrejola +11
We study the two dimensional (2D) line-of-sight velocity () field of the low-inclination, late-type galaxy VV304a. The resulting 2D kinematic map reveals a global, coh…
Galaxy formation with L-GALAXIES: Modelling the environmental dependency of galaxy evolution and comparing with observations
Mohammadreza Ayromlou, Guinevere Kauffmann, Robert M. Yates +2
We present a variation of the recently updated Munich semi-analytical galaxy formation model, L-Galaxies, with a new gas stripping method. Extending earlier work, we directly measu…
Revisiting the tension between fast bars and the CDM paradigm
Francesca Fragkoudi, Robert J. J. Grand, Ruediger Pakmor +5
The pattern speed with which galactic bars rotate is intimately linked to the amount of dark matter in the inner regions of their host galaxies. In particular, dark matter haloes a…
L-GALAXIES 2020: The evolution of radial metallicity profiles and global metallicities in disc galaxies
Robert M. Yates, Bruno M. B. Henriques, Jian Fu +5
We present a modified version of the L-GALAXIES 2020 semi-analytic model of galaxy evolution, which includes significantly increased direct metal enrichment of the circumgalactic m…
Comparing galaxy formation in the L-GALAXIES semi-analytical model and the IllustrisTNG simulations
Mohammadreza Ayromlou, Dylan Nelson, Robert M. Yates +3
We perform a comparison, object-by-object and statistically, between the Munich semi-analytical model, L-Galaxies, and the IllustrisTNG hydrodynamical simulations. By running L-Gal…